Re: [sage-devel] Transitivity of coercions between finite rings

2011-11-22 Thread Robert Bradshaw
On Mon, Nov 21, 2011 at 11:36 PM, William Stein wrote: > On Mon, Nov 21, 2011 at 4:50 PM, David Roe wrote: >> The coercion graph in Sage is supposed to be transitive.  This >> assumption is explicit in the documentation of sage.structure.coerce >> for example.  But we have the following: >> >> sa

Re: [sage-devel] Transitivity of coercions between finite rings

2011-11-21 Thread William Stein
On Mon, Nov 21, 2011 at 4:50 PM, David Roe wrote: > The coercion graph in Sage is supposed to be transitive.  This > assumption is explicit in the documentation of sage.structure.coerce > for example.  But we have the following: > > sage: R = Zmod(6) > sage: S = Zmod(3) > sage: T = GF(3) > sage: T